// [z-paging]使用页面滚动时引入此mixin，用于监听和处理onPullDownRefresh等页面生命周期方法

export default {
  onPullDownRefresh() {
    if (this.isPagingRefNotFound()) return;
    this.$refs.paging.reload();
  },
  onPageScroll(e) {
    if (this.isPagingRefNotFound()) return;
    this.$refs.paging.updatePageScrollTop(e.scrollTop);
    if (e.scrollTop < 10) {
      this.$refs.paging.doChatRecordLoadMore();
    }
  },
  onReachBottom() {
    if (this.isPagingRefNotFound()) return;
    this.$refs.paging.pageReachBottom();
  },
  methods: {
    isPagingRefNotFound() {
      return !this.$refs.paging;
    },
  },
};
